Finding the Fourth Proportional to 12,107,196.24, 18,155,329.20 and 3,469,320.96

Step by Step Solution

1. Step 1: Write the proportion equation
   12,107,196.24 : 18,155,329.20 = 3,469,320.96 : x
2. Step 2: Convert to fraction form
   12,107,196.24/18,155,329.20 = 3,469,320.96/x
3. Step 3: Cross multiply
   12,107,196.24x = 18,155,329.20 × 3,469,320.96
4. Step 4: Simplify right side
   12,107,196.24x = 62,986,664,129,260.03
5. Step 5: Solve for x
   x = 62,986,664,129,260.03/12,107,196.24
6. Step 6: Final answer
   x = 5,202,415.40